Some Thoughts on Testing in Audio

Robert Brook runs a blog called The Broken Record, with a subtitle explaining that his blog is:

A GUIDE FOR THE DEDICATED ANALOG AUDIOPHILE

Some THOUGHTS on TESTING in AUDIO

My Two Cents

I made a couple of quick notes and sent them by email to Robert, as follows:

  • One record is not enough for this test, or any other for that matter, and
  • Tests need to be blinded.

Without blinding all you are doing is confirming your prejudices, which is something you correctly point out in your piece, and no matter how much you want to think you aren’t doing that because you are trying so hard to guard against it, it is almost surely what you will end up doing.

Confirmation bias is at the heart of most mistaken audio judgments, something I learned a very long time ago, and only after making every kind of mistake there is to make, over the course of decades no less. Only one thing had the power to set me on the right path, and without it I would never have learned how to make any real progress in audio, or find better sounding records for that matter.

If you don’t know how to run good experiments, how can you be sure your results are of any value?

I discussed testing in a previous post of Robert’s: Why Does “Why” Matter in Analog?

Someone mentioned a blindfold test, and I was glad to hear it as blind testing is something I have been recommending for years.

I did a shootout for the 45 RPM pressings of Rumours in front of a world famous record collector, and it was obvious to me, if not to everyone, that none of the three copies sounded exactly the same as the others, yet they were brand new and pressed on audiophile vinyl in limited numbers.

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Stan Ricker’s Fingers Are All Over these Paintings

Hot Stamper Pressings of Jazz Guitar Recordings Available Now

We have been planning on doing a shootout for this Earl Klugh’s 1977 Blue Note release, Finger Paintings, for more than a year, and over that time we were fortunate enough to pick up a MoFi pressing of the album locally for the very reasonable price of ten bucks. (The price tag on the jacket is visible at the bottom of this post.)

The notes for our 2025 Shootout Winner included phrases such as “huge, weighty and punchy, ” along with “natural, rich and sweet.” Most copies may not have those qualities, but the best ones sure do.

Contrast that with the Mobile Fidelity pressing that Stan Ricker mastered in 1980. It was one of their biggest early sellers, and one that they no doubt felt had such good sound that it would be sure to sell at triple the price of the regular Mobile Fidelity pressing!

WTF you say? Yes, it would be released in 1981 in a box (not a box set!) as a Numbered, Limited Edition, Ultra High Quality Record (UHQR) at the retail price of $50. $178 in 2026 dollars, if you can believe that records used to cost that kind of dough (cough).

OK, that’s all well and good, but this is supposed to be a blog for audiophiles, so forget all that history stuff and just tell us what the record sounds like.

Fair enough. After having played a big batch of standard issue pressings and getting to know the sound of the record well, feast your eyes on the notes we took.

This MoFi may actually set a new standard for screwing up a perfectly good sounding record. (I was going to say tape but I have never heard the tape and have no idea what it sounds like. John Golden (JG) at Kendun cut the originals. Maybe he was able to somehow make a silk purse out of a sow’s ear. The possibility exists.)

Side One

Track Four

  • Really sucket out and clean
  • How bizarrely awful!

Track One

  • Loud, boosted tape hiss
  • Percussion is very thin and clear and hard
  • Guitar is sucked out and recessed and awfully dry
  • An especially horrible MoFi.
  • No!

Side Two

Track Two

  • Boosted, hot and bright
  • Hi-hat and snare are nasty
  • Not as horrible as side one but still bad and
  • NFG

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Pros and Cons of this Copy of Swings in High Stereo

Hot Stamper Pressings of Large Group Jazz Recordings Available Now

Side One

Big and spacious, yet clear, dynamic and energetic. The brass is never “blary” the way it can be on so many Big Band or Dance Band records from the 50s and 60s. (Basie’s Roulette records tend to have a bad case of blary brass as a rule.)

Sharp transients and mostly correct tonality and timbres, powerful brass — practically everything you want in a Hot Stamper is here!

The stage is exceptionally wide on this copy.

Listen to the top end on track two — man, that is some natural sound!

This side could use a bit more weight so we feel a grade of Super Hot (A++) gets it right.

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The Rolling Stones – Black and Blue

More of the Music of The Rolling Stones

  • With two STUNNING Shootout Winning Triple Plus (A+++) sides or close to them, this copy is guaranteed to blow to the doors off any other Black and Blue you’ve heard
  • Glyn Johns engineered, and the better pressings are full-bodied and lively, with solid and present vocals, as well as excellent clarity all around
  • A copy this good lets you appreciate Billy Preston’s contributions on the keys – he’s all over the album, a very good thing indeed
  • “‘Melody’ ought to be a tentative experiment with Billy Preston’s jazzy keyboard sound. Instead, it’s a triumph, Jagger’s voice swooping and snaking around Preston’s piano and harmonies.” – Rolling Stone

This is in fact one of the better sounding “later period” (1976) Stones records we’ve played, that’s if we’re talking about the better copies of course, like this one. The best pressings are big, open, dynamic and full-bodied, with exceptionally lively percussion. As always, credit goes to the recording engineers, Glyn Johns et al., as well as Lee Hulko at Sterling, the original mastering engineer (who’s cut about as many good sounding records as anyone we can think of).

“Hand of Fate” is our favorite on side one, sounding like an unreleased track from Exile on Main Street. I’m guessing Glyn Johns had a lot to do with that one sounding as meaty and raw as it does on the better copies. Following “Hot Stuff,” it balances that one’s bright, clear sound nicely, making it easy to separate the real winners from the also-rans.

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Earl Klugh – Finger Paintings

More Jazz Recordings Featuring the Guitar

  • Finger Paintings appears on the site for the first time ever, here with an INCREDIBLE Shootout Winning Triple Plus (A+++) side two mated to a solid Double Plus (A++) side one
  • Both of these sides are clean, clear and lively with an abundance of detail and a solid bottom end
  • Some of the tubiest, biggest and richest guitar sonics you could ask for from a “modern” record – this is the sound of analog done right

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We Don’t Offer Domestic Pressings of Pour Down Like Silver for One Very Simple Reason

Hot Stamper Pressings of the Music of Richard Thompson Available Now

In spite of the fact that the domestic pressings of this Richard and Linda Thompson classic from 1974 were mastered by the likes of Kendun and Sterling — two of the greatest mastering houses of all time, — they have never impressed us with their sound quality.

The biggest problems with this record would be obvious to even the casual listener: gritty, spitty vocals; lack of richness; bright tonality; lack of bass; no real space or transparency, etc.

The domestic Island pressings did not do nearly as well in our shootout as the best Island imports, no surprise there as the early UK records were mastered by one of our favorite engineers.

Avoid the Carthage pressings mastered by Sterling. They came in last in our shootout.

The domestic breakdown follows:

Black Island Domestic #1

  • Tubey but hot and spitty.

Black Island Domestic #2

  • Flat, dry and hot (glary or bright)

Carthage Domestic recut from 1983, Sterling on both sides

  • So sandy and lean! They really wanted to add some top end (!)

Defending the Indefensible

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The Seeds of Love – A Nearly Perfect Pop Masterpiece

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Hot Stamper Pressings of Art Rock Albums Available Now

The band’s magnum opus, a Colossus of Production to rival the greatest Prog, Psych and Art Rock recordings of all time. (Whew!)

When it comes to Genre Busting Rock I put this album right up at the top of the heap, along with several other landmark albums from the Seventies: Roxy Music’s first, The Original Soundtrack, Crime of the Century, Ambrosia’s first two releases, Fragile, Dark Side of the Moon and a handful of others.

The Seeds Of Love is clearly the band’s masterpiece, and being able to hear it on a White Hot Stamper pressing is nothing short of a THRILL.

I have a long history with this style of Popular Music, stretching all the way back to the early ’70s. I grew up on Bowie, Roxy Music, 10cc, Eno, The Talking Heads, Ambrosia, Peter Gabriel, Supertramp, Yes, Zappa and others, individuals and bands that wanted to play rock music but felt shackled by the constraints of the conventional pop song. Nothing on Sowing the Seeds of Love fits the description of a Conventional Pop Song.

Which albums by The Beatles break all the rules? Side two of Abbey Road and the whole of The White Album, which is why both are Desert Island Discs for me. Can’t get enough of either one.

The Discovery of a Lifetime

When I discovered these arty rock bands in my early twenties I quickly became obsessed with them and remain so to this day.

My equipment was forced to evolve in order to be able to play the scores of challenging recordings issued by these groups and others in the 70s. These albums informed not only my taste in music but the actual stereo I play that music on. I’ve had large dynamic speakers for the last four decades precisely because they do such a good job of bringing to life huge and powerful recordings such as these.

Tears For Fears on this and their previous album continue that tradition of big-as-life and just-as-difficult-to-reproduce records. God bless ’em for it.

Analog Sound

The sound of most copies is aggressive, hard, harsh and thin. What do you expect? The album is recorded digitally and direct metal mastered at Masterdisk.

Most of us analog types put up with the limitations of the sound because we love the music, some of the most moving, brilliantly written and orchestrated psychedelic pop of the last thirty years.

Imagine if the Beatles in their Sgt. Pepper/ Magical Mystery Tour phase kept going in that direction. They very well might have ended up in the neighborhood of Sowing the Seeds of Love.

But wait — the best pressings have smooth, sweet, analog richness and spaciousness I didn’t think was possible for this recording. The bass is full and punchy. When it really starts cooking, such as in the louder, more dynamic sections of Woman in Chains or the title cut, it doesn’t get harsh and abrasive like most copies. It’s got energy and life without making your ears bleed — if you have the system to play it.

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Howard Hanson – The Composer and His Orchestra

More Classical and Orchestral Recordings

  • Here is an original Mercury Maroon Label Stereo pressing (the first copy to ever hit the site) with a KILLER Shootout Winning Triple Plus (A+++) side two mated to a solid Double Plus (A++) side one
  • It’s also fairly quiet at Mint Minus Minus, a grade that even our most well-cared-for vintage classical titles have trouble playing at
  • You won’t believe how natural, rich, tonally correct and Tubey Magical this copy is – until you play it, of course
  • Spacious, rich and smooth – only vintage analog seems capable of reproducing all three of these qualities without sacrificing resolution, staging, imaging or presence
  • Marks in the vinyl are sometimes the nature of the beast with these early pressings – there simply is no way around them if the superior sound of vintage analog is important to you

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Dire Straits – Love Over Gold

More of the Music of Dire Straits

  • A Love Over Gold like you’ve never heard, with solid Double Plus (A++) grades from top to bottom
  • Quiet vinyl for this album too – owing to the fact that there are so many quiet passages, it is the rare vintage pressing that can play quiet enough to earn even our Mint Minus Minus grade
  • The open, spacious soundstage, full-bodied tonality and Tubey Magic here are obvious for all to hear on these TAS-approved sides – huge, punchy, lively and rockin’ throughout
  • This Hot Stamper is far more natural than any other pressing you’ve heard – we guarantee it
  • “Certainly a quantum leap from the organic R&B impressionism of the band’s early LPs and the gripping short stories of Making Movies, Love Over Gold is an ambitious, sometimes difficult record that is exhilarating in its successes and, at the very least, fascinating in its indulgences.” – Rolling Stone

This modern album (from 1982, which makes it 40+ years old, but that’s modern in our world) can sound surprisingly good on the right pressing. On most copies, the highs are slightly grainy and can be harsh, not exactly the kind of sound that inspires you to turn your system up good and loud and really get involved in the music. I’m happy to report that both sides here have no such problem – they rock and they sound great loud.

We pick up every clean copy we see of this album, domestic or import, because we know from experience just how good the best pressings can sound. What do the best copies have? REAL dynamics for one. And with those dynamics, you need rock solid bass. Otherwise, the loud portions simply become irritating. (more…)

The Gayne Ballet on Mercury Can Be a Little Bright

Hot Stamper Pressings of Classical Masterpieces Available Now

UPDATE 2025

The review you see below was written more than ten years ago.

Having just done another shootout for SR 90209, Dorati’s recording of the two works, The Gayne Ballet and Romeo and Juliet, I can now confirm that there are some stampers that are indeed way too bright.

Side one of a recent copy had a sour midrange. Side two of the same copy was brash and metallic.

As for side two not sounding as good as side one in the older review before, seems we clearly got that wrong, the result, to some degree, of having an inadequate sample size.

Also,  we didn’t have as good a stereo as we do now, and we weren’t as good at doing shootouts back then either.

Our Old Review

This side one is truly DEMONSTRATION QUALITY, thanks to its superb low-distortion mastering. It’s yet another exciting Mercury recording. The quiet passages have unusually sweet sound.

This kind of sound is not easy to cut. This copy gets rid of the cutter head distortion and coloration and allows you to hear what the Mercury engineers accomplished.

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